Home / 105,193.62-145,160.82-57,437.28

Finding the Fourth Proportional to 105,193.62, 145,160.82 and 57,437.28

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Solution

The fourth proportional to 105,193.62, 145,160.82 and 57,437.28 is: 79,259.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,193.62 : 145,160.82 = 57,437.28 : x
  2. Step 2: Convert to fraction form
    105,193.62/145,160.82 = 57,437.28/x
  3. Step 3: Cross multiply
    105,193.62x = 145,160.82 × 57,437.28
  4. Step 4: Simplify right side
    105,193.62x = 8,337,642,663.37
  5. Step 5: Solve for x
    x = 8,337,642,663.37/105,193.62
  6. Step 6: Final answer
    x = 79,259.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.